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I just replaced my network card with a 1 Gb one containingan Intel chip. After doing this I get nosound from my speakers except a high pitch squeal.My USB headphones have the correct sound andno squeal.

I have replaced the speakers with an alternate set and getthe same results so it isnít the speakers.

I have removed the new NIC and it made no difference in thespeaker issue.

Refresh the sound driver. Go to the Device Manager, RIGHT click on the entry for your sound driver (Realtek) to highlilght it then LEFT click "Uninstall". DO NOT uninstall the driver. Restart the PC and when Windows starts it will detect and reinstall the sound. See what that does for it.

On final thing.
Do the uninstall of Realtek but also uninstall the drivers. Then restart and Window will install the generic, basic function High Definition Audio Drivers. Check to see if you have sound. If there is no sound, with what you have done it suggests something happened to the sound hardware chip when you were inside the PC to install the NIC card.

With the USB headset, it takes digital audio and converts it to analog (basically a sound card) inside the headset and the reason it works OK.

Replaced NIC Speakers Quiet & High Pitch Squeal While USB Hphs OK

High Pitch SoundI'm getting a high pitch sound coming through my Razer Tiamat 7.1 Headsets. The sound does lower as I lower the main volume, but then I can't hear anything else. Currently, I'm plugged into the rear USB ports and I tried switching to different USBs, but nothing changes.

High freq/pitch sounds, Really need help hereHello everyone, Im new to these forums but i'll try my best to explain the problem Im having here. Please note: Im not sure if this is the right place to submit this thread but if it's not then please move it to the appopriate folder.
My specs are:
Intel Dp35dp motherboard
Intel Core2quad...

BSOD Help and Support

High pitch sound coming from computer.There's this high pitch sound coming from my computer. You can hear it if you're within like 6 or 7 feet. I think it's coming from the cooling fan. The weird thing I noticed is that the sound goes away if my ethernet cable is not plugged in.
Any ideas how to fix it?

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High pitch sound from computerI've been struggling with the following for weeks. This is with Windows 7, 64-bit, and 2 gigs of memory.
I can be using the computer with no problems, and then try to play one of the graphic video games such as "Dirt2". As soon as the game starts, a high-pitch sound starts coming from the...

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Bad crash during sleep, high pitched squealMy system components were perfectly stable under Vista, without a reset for days or weeks at a time. DxDiag.txt attached for components.
But with Seven, I'll leave my system on (sometimes downloading) and in the middle of the night we'll be woken up by what sounds like a smoke detector. The PC...